A collimated beam of light of diameter 1 nm is propagating along the x-axis. the beam is to he expanded to a collimated beam of diameter 10 nm using a combinati

A collimated beam of light of diameter 1 nm is propagating along the x-axiS. The beam is to he expanded to a collimated beam of diameter 10 nm using a combination of the convex lenses. A lens of focal length of 50 nm and another lens with focal length F are to be kept at a distanced between them. The values of F andd respectively, are (a) 450 mm and 10 mm (b) 400 mm and 500 mm (c) 550 mm and 600 mm (d) 500 mm and 550 mm JAM PH-2014|